package com.zsqat.eshop.search.service.impl;

import com.alibaba.fastjson.JSON;
import com.zsqat.common.es.SkuEsModel;
import com.zsqat.eshop.search.config.ElasticSearchConfig;
import com.zsqat.eshop.search.constant.EsConstant;
import com.zsqat.eshop.search.service.ProductSaveService;
import lombok.extern.slf4j.Slf4j;
import org.elasticsearch.action.bulk.BulkRequest;
import org.elasticsearch.action.bulk.BulkResponse;
import org.elasticsearch.action.index.IndexRequest;
import org.elasticsearch.client.RestHighLevelClient;
import org.elasticsearch.common.xcontent.XContentType;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

@Slf4j
@Service("productSaveService")
public class ProductSaveServiceImpl implements ProductSaveService {

  @Autowired
  private RestHighLevelClient esRestClient;

  @Override
  public boolean productStatusUp(List<SkuEsModel> skuEsModels) throws IOException {

//1.在es中建立索引，建立号映射关系（doc/json/product-mapping.json）

    //2. 在ES中保存这些数据
    BulkRequest bulkRequest = new BulkRequest();
    for (SkuEsModel skuEsModel : skuEsModels) {
      //构造保存请求
      IndexRequest indexRequest = new IndexRequest(EsConstant.PRODUCT_INDEX);
      indexRequest.id(skuEsModel.getSkuId().toString());
      String jsonString = JSON.toJSONString(skuEsModel);
      indexRequest.source(jsonString, XContentType.JSON);
      bulkRequest.add(indexRequest);
    }


    BulkResponse bulk = esRestClient.bulk(bulkRequest, ElasticSearchConfig.COMMON_OPTIONS);

    // TODO 如果批量错误
    boolean hasFailures = bulk.hasFailures();

    List<String> collect = Arrays.asList(bulk.getItems())
        .stream()
        .map(item -> item.getId())
        .collect(Collectors.toList());

    log.info("商品上架完成：{}",collect);

    return hasFailures;
  }
}
